MIPS is on the rise again as recent SoCs are more power efficient than ARM. I don't have a source for this unfortunately.
Sony Bravia EX series televisions are MIPS and Linux based for example.
Sony Bravia EX series televisions are MIPS and Linux based for example.
MIPS SoC licensing is less expensive than ARM licensing at the smaller volumes inherent in low-end routers (.vs phones and tablets).